害鳥(がいちょう)

がいちょう
noun
pest bird; harmful bird
natureanimal-bird
1. pest bird; harmful bird; nuisance bird
A bird species that causes damage to agriculture, property, or the ecosystem. The designation depends on context — a bird may be considered a pest in farmland but not elsewhere.
カラスは害鳥(がいちょう)とされることが多(おお)い。
Crows are often considered pest birds.
害鳥(がいちょう)による農作物(のうさくぶつ)の被害(ひがい)が深刻(しんこく)だ。
The damage to crops from pest birds is serious.
地域(ちいき)ぐるみで害鳥(がいちょう)対策(たいさく)に取(と)り組(く)んでいるが、なかなか効果(こうか)が出(で)ない。
The whole community is working on pest bird countermeasures, but results have been slow to materialize.

Composed of 害(がい) (harm, damage) and 鳥(ちょう) (bird). In Japan, common birds designated as 害鳥(がいちょう) include crows (カラス), pigeons (ハト), and starlings (ムクドリ) when they damage crops or cause urban nuisance.

Common collocations

Similar words

  • 害虫(がいちゅう): pest insect — the insect equivalent
  • 害獣(がいじゅう): pest animal, nuisance animal — mammals that cause damage
  • 益鳥(えきちょう): beneficial bird — the opposite; birds that help agriculture by eating pests

Related Words

Compare: 害虫(がいちゅう) (pest insect)
Compare: 害獣(がいじゅう) (pest animal, nuisance animal)
general
Added 2026.5.1 20:33 · Revised 2026.9.2 13:02
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